MGA

MGA can refer to:

Transport

 * MGA, IATA code for Augusto C. Sandino International Airport (Managua International Airport) in Managua, Nicaragua
 * Monongahela Railway, a former coal-hauling short line railroad in the United States
 * The MG MGA, a popular British sports car manufactured between 1955 and 1962 by MG

Business and finance

 * Malagasy ariary, currency of Madagascar by ISO 4217 currency code
 * Managing general agent, a type of insurance agent
 * Mutual Gains Approach, a process model for negotiating while protecting relationships and reputation

Biology and health care

 * 3-Methylglutaconic aciduria, a metabolic disorder
 * Mga (protein), a DNA-binding protein found in Streptococcus pyogenes (group A Streptococcus)
 * Mga, max dimerization protein, a protein in humans encoded by the MGA gene
 * Megestrol acetate or melengestrol acetate, progestin medications

Geography

 * Map Grid of Australia, a mapping system based on the Universal Transverse Mercator coordinate system
 * Mga (river) in Leningrad Oblast, Russia
 * Mga, an urban-type settlement in Leningrad Oblast, Russia

Information technology

 * Matrox, producer of video card components
 * Monochrome Graphics Adapter, either related to or synonymous with the Hercules Graphics Card
 * Multigenerational architecture, a method of database transactions handling related to multiversion concurrency control

Education

 * Master of Governmental Administration, a degree program offered by the Fels Institute of Government
 * Master of Global Affairs, a degree program offered by the Munk School of Global Affairs and Public Policy at the University of Toronto

Arts

 * Monash Gallery of Art, Melbourne, Australia.

Organizations

 * Malta Gaming Authority, Malta's gaming control board
 * Midwestern Governors Association, a nonprofit organization of the 12 American Midwest states' governors
 * A subsidiary of Mitsubishi

Entertainment

 * Marriott's Great America, earlier name of Great America, former name of amusement parks
 * Metal Gear Acid, a PlayStation Portable video game by Konami
 * Metal Gear Arcade, a reworked arcade version of the Metal Gear Online video game by Konami
 * MGA Entertainment, a toy production company
 * Mint Green Army, the football team of St Anne's College, Oxford

Linguistics

 * In the Filipino language, "mga" (pronounced as [mɐˈŋa]) is used as a prefix to pluralize nouns

Social sciences

 * Multiple gender attraction, a term for those attracted to more than one gender